package io;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.nio.charset.StandardCharsets;

/**
 * 读取文本数据
 */
public class ReadStringDemo {
    public static void main(String[] args) throws IOException {
//        File file = new File("fos.txt");
        File file = new File("./src/main/java/io/ReadStringDemo.java");
        FileInputStream fis = new FileInputStream(file);
        //创建与文件等长的数组
        byte[] data = new byte[(int)file.length()];
        fis.read(data);

        String str = new String(data, StandardCharsets.UTF_8);
        System.out.println(str);

        fis.close();

    }
}
